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Diffstat (limited to 'devtools/shared/heapsnapshot/tests/xpcshell/test_census_diff_05.js')
-rw-r--r-- | devtools/shared/heapsnapshot/tests/xpcshell/test_census_diff_05.js | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/devtools/shared/heapsnapshot/tests/xpcshell/test_census_diff_05.js b/devtools/shared/heapsnapshot/tests/xpcshell/test_census_diff_05.js new file mode 100644 index 0000000000..1ce0cfeb5b --- /dev/null +++ b/devtools/shared/heapsnapshot/tests/xpcshell/test_census_diff_05.js @@ -0,0 +1,35 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +"use strict"; + +// Test diffing census reports of breakdown by "allocationStack". + +const BREAKDOWN = { + by: "allocationStack", + then: { by: "count", count: true, bytes: true }, + noStack: { by: "count", count: true, bytes: true }, +}; + +const stack1 = saveStack(); +const stack2 = saveStack(); +const stack3 = saveStack(); + +const REPORT1 = new Map([ + [stack1, { count: 10, bytes: 100 }], + [stack2, { count: 1, bytes: 10 }], +]); + +const REPORT2 = new Map([ + [stack2, { count: 10, bytes: 100 }], + [stack3, { count: 1, bytes: 10 }], +]); + +const EXPECTED = new Map([ + [stack1, { count: -10, bytes: -100 }], + [stack2, { count: 9, bytes: 90 }], + [stack3, { count: 1, bytes: 10 }], +]); + +function run_test() { + assertDiff(BREAKDOWN, REPORT1, REPORT2, EXPECTED); +} |